Question: When did the Dakahlia Governorate have the population 6492381?
Paraphrase: The population of 6492381 in Dakahlia Governorate happened when?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q31068 p:P1082 ?s . ?s ps:P1082 ?x filter(contains(?x , '6492381')) . ?s pq:P585 ?value}